Installation tool for tail rotor blade sealing rubber sleeve

Abstract

The utility model discloses an installation tool for a tail rotor blade sealing rubber sleeve, which relates to the technical field of workpiece installation tools and comprises an upper clamp body and a lower clamp body. The front end of the upper clamp body is rotationally connected with the front end of the lower clamp body through a rotating shaft; the end portion of the front end of the upper clamp body and the end portion of the front end of the lower clamp body are each provided with a semicircular support, the two semicircular supports are spliced to form a rubber sleeve supporting ring, and the outer wall of the rubber sleeve supporting ring is used for opening the rubber sleeve. A locking mechanism is arranged between the rear end of the upper pincer body and the rear end of the lower pincer body and used for enabling the rubber sleeve supporting ring to support the rubber sleeve open. According to the mounting tool for the tail rotor blade sealing rubber sleeve, the rubber sleeve can be expanded in a more labor-saving manner by utilizing the lever principle, and the mounting tool is locked by utilizing the locking mechanism, so that the rubber sleeve is kept in an expanded state, and the rubber sleeve can penetrate through a blade body of a tail rotor blade to reach a mounting position by utilizing the mounting tool; the whole installation process is simple and fast to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece installation tools, in particular to an installation tool for a tail rotor blade sealing rubber sleeve. Background Art

[0002] The tail rotor blade sealing rubber sleeve is an elliptical hollow sleeve. When it is assembled to the support and fairing, it needs to be installed starting from the tip of the blade and passing through the blade body and sleeve flange and other parts.

[0003] The patent with publication number CN105666401A discloses a convenient O-type rubber ring installation tool, including a U-shaped support seat and a guide rod, a bearing and a shaft sleeve are installed in the left wall of the support seat, the guide rod is installed in the shaft hole of the bearing, and an end cover is installed on the right side of the bearing; a pressing sleeve and a pressure cover are installed on the guide rod, and the pressing sleeve and the pressure cover are threadedly connected; a stepped hole is formed in the middle of the pressing sleeve, a reset compression spring is sleeved on the outside of the guide rod and located in the stepped hole, and a lower positioning nut is installed on the right end of the reset compression spring; an upper positioning nut and a locking nut are installed on the left end of the pressure cover from left to right. The present invention is easy to operate, and can be very convenient to apply glue to the outer wall of the rubber ring, ensuring that the O-type rubber ring is successfully installed at one time.

[0004] The patent with the publication number CN113183094A discloses a rubber ring installation tool, including a base frame, a sliding cylinder, a moving cylinder, and a base block. The base block is provided with a cylinder 1 on both sides through a limit assembly, and a push rod is rotatably installed between the cylinder 1 and the corresponding moving cylinder, and the two cylinders 1 are provided with a block through a moving seat and a connecting rod. The advantages are: through the coordinated use of the slide groove, the slider 2 and the retaining ring, after the support seat is sleeved on the required cylinder, a fixing force is applied to the retaining ring by hand, and then a pulling force away from the cylinder is applied to the moving cylinder or the base frame, so that the rubber ring can be quickly installed on the cylinder, and at the same time, through the coordinated action of the gear and the rod frame, the shaft 1 and the shaft 2 can rotate while driving the support seat to move, and the corresponding two support seats rotate in opposite directions. This operation can make the gap between the two ends of the adjacent support seats more open, making the rubber ring installation more convenient.

[0005] However, the length of the tail rotor blade chord is much larger than the major axis size of the elliptical sealing rubber sleeve, making it difficult to install using existing installation tools.

[0006] Therefore, there is an urgent need for an installation tool that can expand the inner hole of the sealing rubber sleeve and restore it to its original shape after passing through the blade body. Summary of the invention

[0007] In order to solve the above technical problems, the utility model provides an installation tool for a tail rotor blade sealing rubber sleeve, which can expand the inner hole of the sealing rubber sleeve and restore it to its original state after passing through the blade body.

[0008] To achieve the above purpose, the utility model provides the following solutions:

[0009] The utility model provides an installation tool for a tail rotor blade sealing rubber sleeve, comprising an upper caliper body and a lower caliper body; the front end of the upper caliper body and the front end of the lower caliper body are rotatably connected via a rotating shaft; the end of the front end of the upper caliper body and the end of the front end of the lower caliper body are respectively provided with a semicircular support, the two semicircular supports are spliced ​​into a rubber sleeve support ring, and the outer wall of the rubber sleeve support ring is used to open the rubber sleeve; a locking mechanism is provided between the rear end of the upper caliper body and the rear end of the lower caliper body, and the locking mechanism is used to keep the rubber sleeve support ring open to the rubber sleeve.

[0010] Optionally, the semicircular support is a semi-cylindrical structure, one side of one end of the semicircular support is connected to the upper clamp body or the lower clamp body, and the other side of the semicircular support is used to open the rubber sleeve.

[0011] Optionally, reinforcing ribs are respectively provided between the semicircular support and the upper clamp body and the lower clamp body.

[0012] Optionally, the reinforcing rib is arranged between the front ends of the upper clamp body and the lower clamp body and one side of the semicircular supporting end.

[0013] Optionally, an upper caliper body insert is provided at the front end of the upper caliper body, and the rotating shaft is rotatably connected to the upper caliper body insert.

[0014] Optionally, the locking mechanism includes a threaded pin and a locking nut; a locking hole is provided at the rear of the upper caliper body, one end of the threaded pin is rotatably connected to the rear of the rear caliper body, and the other end of the threaded pin passes through the locking hole and is threadedly connected to the locking nut.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The installation tool for the tail rotor blade sealing rubber sleeve of the utility model utilizes the lever principle to expand the rubber sleeve more labor-savingly, and utilizes a locking mechanism to lock the installation tool to keep the rubber sleeve in an expanded state, so that the rubber sleeve can be passed through the tail rotor blade body to reach the installation position by utilizing the installation tool, and the entire installation process is simple and quick to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the installation tool of the tail rotor blade sealing rubber sleeve in the utility model;

[0019] Figure 2 It is a partially enlarged structural schematic diagram of the support ring in the installation tool of the tail rotor blade sealing rubber sleeve in the utility model.

[0020] Description of reference numerals:

[0021] 1. Threaded pin; 2. Locking nut; 3. Upper caliper body; 4. Lower caliper body; 5. Rotating shaft; 6. Upper caliper body insert; 7. Reinforcing rib; 8. Rubber sleeve support ring; 9. Rubber sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 and 2 As shown, this embodiment provides an installation tool for a tail rotor blade sealing rubber sleeve, comprising an upper caliper body 3 and a lower caliper body 4; the front end of the upper caliper body 3 and the front end of the lower caliper body 4 are rotatably connected via a rotating shaft 5; the end of the front end of the upper caliper body 3 and the end of the front end of the lower caliper body 4 are respectively provided with a semicircular support, the two semicircular supports are spliced ​​into a rubber sleeve support ring 8, and the outer wall of the rubber sleeve support ring 8 is used to open the rubber sleeve 9; a locking mechanism is provided between the rear end of the upper caliper body 3 and the rear end of the lower caliper body 4, and the locking mechanism is used to keep the rubber sleeve support ring 8 open to the rubber sleeve 9.

[0024] In this specific embodiment, the semicircular support is a semi-cylindrical structure, one side of one end of the semicircular support is connected to the upper clamp body 3 or the lower clamp body 4, and the other side of the semicircular support is used to open the rubber sleeve 9.

[0025] Reinforcing ribs 7 are provided between the semicircular support and the upper jaw body 3 and the lower jaw body 4 respectively.

[0026] The reinforcing rib 7 is disposed between the front ends of the upper jaw body 3 and the lower jaw body 4 and one side of the semicircular support end.

[0027] An upper caliper body insert 6 is provided at the front end of the upper caliper body 3 , and the rotating shaft 5 is rotatably connected to the upper caliper body insert 6 .

[0028] In a more specific embodiment, the upper jaw body 3 and the lower jaw body 4 can be made by bending sheet metal, and the semicircular support and the upper jaw body 3 and the lower jaw body 4 are respectively used as an integral structure, or the semicircular support can be welded and fixed to the front end of the upper jaw body 3 or the lower jaw body 4 by welding. The reinforcing rib 7 is a triangular iron sheet welded between the semicircular support and the upper jaw body 3 or the lower jaw body 4 to strengthen the connection strength between the semicircular support and the upper jaw body 3 or the lower jaw body 4 to prevent the semicircular support from being separated or deformed from the upper jaw body 3 or the lower jaw body 4 due to the elastic force of the rubber sleeve 9 when the rubber sleeve 9 is stretched open.

[0029] The locking mechanism includes a threaded pin 1 and a locking nut 2; a locking hole is provided at the rear of the upper caliper body 3, one end of the threaded pin 1 is rotatably connected to the rear of the rear caliper body, and the other end of the threaded pin 1 passes through the locking hole and is threadedly connected to the locking nut 2.

[0030] The locking hole can be an oblong hole, and the locking nut 2 can be an oblong block or a capsule-shaped block, so that the locking nut 2 can pass through the locking hole easily and the locking hole can be used to limit the locking nut 2 to achieve a locking effect.

[0031] When the rubber sleeve support ring 8 is in the closed state, put the rubber sleeve 9 into the outside of the rubber sleeve support ring 8, press down the upper caliper body 3 at the position of the caliper handle to make the upper caliper body 3 and the lower caliper body 4 contact, then rotate the locking nut 2 to lock the upper and lower caliper bodies 4. At this time, hold the caliper handle to make the inner hole of the sealing rubber sleeve 9 pass through the tail rotor blade body, and the propeller sealing rubber sleeve 9 is installed in place.

[0032] It should be noted that, for those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] This specification uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A tool for installing a tail rotor blade sealing rubber sleeve, characterized in that: It comprises an upper caliper body and a lower caliper body; the front end of the upper caliper body and the front end of the lower caliper body are rotatably connected via a rotating shaft; the ends of the front end of the upper caliper body and the front end of the lower caliper body are respectively provided with a semicircular support, the two semicircular supports are spliced ​​into a rubber sleeve support ring, the outer wall of the rubber sleeve support ring is used to open the rubber sleeve; a locking mechanism is provided between the rear ends of the upper caliper body and the lower caliper body and the rear end of the lower caliper body, the locking mechanism is used to keep the rubber sleeve support ring open to the rubber sleeve.

2. The installation tool for the tail rotor blade sealing rubber sleeve according to claim 1, characterized in that: The semicircular support is a semi-cylindrical structure, one side of one end of the semicircular support is connected to the upper clamp body or the lower clamp body, and the other side of the semicircular support is used to open the rubber sleeve.

3. The installation tool for the tail rotor blade sealing rubber sleeve according to claim 2, characterized in that: Reinforcing ribs are respectively arranged between the semicircular support and the upper caliper body and the lower caliper body.

4. The installation tool for the tail rotor blade sealing rubber sleeve according to claim 3, characterized in that: The reinforcing rib is arranged between the front ends of the upper caliper body and the lower caliper body and one side of the semicircular supporting end portion.

5. The installation tool for the tail rotor blade sealing rubber sleeve according to claim 1, characterized in that: An upper caliper body insert is arranged at the front end of the upper caliper body, and the rotating shaft is rotatably connected with the upper caliper body insert.

6. The installation tool for the tail rotor blade sealing rubber sleeve according to claim 1, characterized in that: The locking mechanism includes a threaded pin and a locking nut; a locking hole is provided at the rear of the upper caliper body, one end of the threaded pin is rotatably connected to the rear of the lower caliper body, and the other end of the threaded pin passes through the locking hole and is threadedly connected to the locking nut.

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